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Summary: XML Attrs | Inherited XML Attrs | Inherited Constants | Fields | Inherited Fields | Ctors | Methods | Inherited Methods

# LinearLayout.LayoutParams

`public static class LinearLayout.LayoutParams`
`` `` `extends ViewGroup.MarginLayoutParams` ``

java.lang.Object
↳ | android.view.ViewGroup.LayoutParams
| ↳ | android.view.ViewGroup.MarginLayoutParams
|  | ↳ | android.widget.LinearLayout.LayoutParams

Known direct subclasses ActionMenuView.LayoutParams, RadioGroup.LayoutParams, TableLayout.LayoutParams, TableRow.LayoutParams
ActionMenuView.LayoutParams |
RadioGroup.LayoutParams | This set of layout parameters defaults the width and the height of the children to `ViewGroup.LayoutParams.WRAP_CONTENT` when they are not specified in the XML file.
TableLayout.LayoutParams | This set of layout parameters enforces the width of each child to be `ViewGroup.LayoutParams.MATCH_PARENT` and the height of each child to be `ViewGroup.LayoutParams.WRAP_CONTENT`, but only if the height is not specified.
TableRow.LayoutParams | Set of layout parameters used in table rows.

Per-child layout information associated with ViewLinearLayout.

## Summary

### XML attributes
`android:layout_gravity` | Gravity specifies how a component should be placed in its group of cells.
`android:layout_weight` | Indicates how much of the extra space in the LinearLayout is allocated to the view associated with these LayoutParams.

### Inherited XML attributes
From class `android.view.ViewGroup.MarginLayoutParams`
`android:layout_margin` | Specifies extra space on the left, top, right and bottom sides of this view.
`android:layout_marginBottom` | Specifies extra space on the bottom side of this view.
`android:layout_marginEnd` | Specifies extra space on the end side of this view.
`android:layout_marginHorizontal` | Specifies extra space on the left and right sides of this view.
`android:layout_marginLeft` | Specifies extra space on the left side of this view.
`android:layout_marginRight` | Specifies extra space on the right side of this view.
`android:layout_marginStart` | Specifies extra space on the start side of this view.
`android:layout_marginTop` | Specifies extra space on the top side of this view.
`android:layout_marginVertical` | Specifies extra space on the top and bottom sides of this view.
From class `android.view.ViewGroup.LayoutParams`
`android:layout_height` | Specifies the basic height of the view.
`android:layout_width` | Specifies the basic width of the view.

### Inherited constants
From class `android.view.ViewGroup.LayoutParams`
`int` | `FILL_PARENT` Special value for the height or width requested by a View.
`int` | `MATCH_PARENT` Special value for the height or width requested by a View.
`int` | `WRAP_CONTENT` Special value for the height or width requested by a View.

### Fields
`public int` | `gravity` Gravity for the view associated with these LayoutParams.
`public float` | `weight` Indicates how much of the extra space in the LinearLayout will be allocated to the view associated with these LayoutParams.

### Inherited fields
From class `android.view.ViewGroup.MarginLayoutParams`
`public int` | `bottomMargin` The bottom margin in pixels of the child.
`public int` | `leftMargin` The left margin in pixels of the child.
`public int` | `rightMargin` The right margin in pixels of the child.
`public int` | `topMargin` The top margin in pixels of the child.
From class `android.view.ViewGroup.LayoutParams`
`public int` | `height` Information about how tall the view wants to be.
`public LayoutAnimationController.AnimationParameters` | `layoutAnimationParameters` Used to animate layouts.
`public int` | `width` Information about how wide the view wants to be.

### Public constructors
`LayoutParams(Context c, AttributeSet attrs)`
`LayoutParams(int width, int height)`
`LayoutParams(int width, int height, float weight)` Creates a new set of layout parameters with the specified width, height and weight.
`LayoutParams(ViewGroup.LayoutParams p)`
`LayoutParams(ViewGroup.MarginLayoutParams source)`
`LayoutParams(LinearLayout.LayoutParams source)` Copy constructor.

### Public methods
`String` | `debug(String output)`

### Inherited methods
From class `android.view.ViewGroup.MarginLayoutParams`
`int` | `getLayoutDirection()` Retuns the layout direction.
`int` | `getMarginEnd()` Returns the end margin in pixels.
`int` | `getMarginStart()` Returns the start margin in pixels.
`boolean` | `isMarginRelative()` Check if margins are relative.
`void` | `resolveLayoutDirection(int layoutDirection)` This will be called by `View.requestLayout()`.
`void` | `setLayoutDirection(int layoutDirection)` Set the layout direction
`void` | `setMarginEnd(int end)` Sets the relative end margin.
`void` | `setMarginStart(int start)` Sets the relative start margin.
`void` | `setMargins(int left, int top, int right, int bottom)` Sets the margins, in pixels.
From class `android.view.ViewGroup.LayoutParams`
`void` | `resolveLayoutDirection(int layoutDirection)` Resolve layout parameters depending on the layout direction.
`void` | `setBaseAttributes(TypedArray a, int widthAttr, int heightAttr)` Extracts the layout parameters from the supplied attributes.
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## XML attributes

### android:layout_gravity

Gravity specifies how a component should be placed in its group of cells. The default is `Gravity.TOP`. See `LinearLayout.setGravity(int)`.

Must be one or more (separated by '|') of the following constant values.

Constant | Value | Description
--- | --- | ---
bottom | 50 | Push object to the bottom of its container, not changing its size.
center | 11 | Place the object in the center of its container in both the vertical and horizontal axis, not changing its size.
center_horizontal | 1 | Place object in the horizontal center of its container, not changing its size.
center_vertical | 10 | Place object in the vertical center of its container, not changing its size.
clip_horizontal | 8 | Additional option that can be set to have the left and/or right edges of the child clipped to its container's bounds. The clip will be based on the horizontal gravity: a left gravity will clip the right edge, a right gravity will clip the left edge, and neither will clip both edges.
clip_vertical | 80 | Additional option that can be set to have the top and/or bottom edges of the child clipped to its container's bounds. The clip will be based on the vertical gravity: a top gravity will clip the bottom edge, a bottom gravity will clip the top edge, and neither will clip both edges.
end | 800005 | Push object to the end of its container, not changing its size.
fill | 77 | Grow the horizontal and vertical size of the object if needed so it completely fills its container.
fill_horizontal | 7 | Grow the horizontal size of the object if needed so it completely fills its container.
fill_vertical | 70 | Grow the vertical size of the object if needed so it completely fills its container.
left | 3 | Push object to the left of its container, not changing its size.
right | 5 | Push object to the right of its container, not changing its size.
start | 800003 | Push object to the beginning of its container, not changing its size.
top | 30 | Push object to the top of its container, not changing its size.

### android:layout_weight

Indicates how much of the extra space in the LinearLayout is allocated to the view associated with these LayoutParams. Specify 0 if the view should not be stretched. Otherwise the extra pixels will be pro-rated among all views whose weight is greater than 0.

May be a floating point value, such as "`1.2`".

## Fields

### gravity

    public int gravity

Gravity for the view associated with these LayoutParams.

See also:

- `Gravity`

### weight

    public float weight

Indicates how much of the extra space in the LinearLayout will be allocated to the view associated with these LayoutParams. Specify 0 if the view should not be stretched. Otherwise the extra pixels will be pro-rated among all views whose weight is greater than 0.

## Public constructors

### LayoutParams

    public LayoutParams (Context c,
                    AttributeSet attrs)

Parameters
`c` | `Context`
`attrs` | `AttributeSet`

### LayoutParams

    public LayoutParams (int width,
                    int height)

Parameters
`width` | `int`
`height` | `int`

### LayoutParams

    public LayoutParams (int width,
                    int height,
                    float weight)

Creates a new set of layout parameters with the specified width, height and weight.

Parameters
`width` | `int`: the width, either `ViewGroup.LayoutParams.MATCH_PARENT`, `ViewGroup.LayoutParams.WRAP_CONTENT` or a fixed size in pixels
`height` | `int`: the height, either `ViewGroup.LayoutParams.MATCH_PARENT`, `ViewGroup.LayoutParams.WRAP_CONTENT` or a fixed size in pixels
`weight` | `float`: the weight

### LayoutParams

    public LayoutParams (ViewGroup.LayoutParams p)

Parameters
`p` | `ViewGroup.LayoutParams`

### LayoutParams

    public LayoutParams (ViewGroup.MarginLayoutParams source)

Parameters
`source` | `ViewGroup.MarginLayoutParams`

### LayoutParams

    public LayoutParams (LinearLayout.LayoutParams source)

Copy constructor. Clones the width, height, margin values, weight, and gravity of the source.

Parameters
`source` | `LinearLayout.LayoutParams`: The layout params to copy from.

## Public methods

### debug

    public String debug (String output)

Parameters
`output` | `String`

Returns
`String` |

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